restraintd crashes when fetching git repository with https url

[mrniranjan]

Version:restraint-0.1.17-2.fc20.x86_64
OS: Fedora 20

Steps to reproduce:

1. Create an job xml as below:

<?xml version="1.0"?>
<job>
  <recipeSet>
   <recipe role="MASTER" id="1">
    <task name="/CoreOS/dogtag/mniranja-test1">
        <params>
            <param name="QUICKINSTALL" value="TRUE"/>
            <param name="USER_SHOW_CA" value="TRUE"/>
            <param name="CERT_SHOW_CA" value="TRUE"/>
            <param name="KEY_SHOW_KRA" value="TRUE"/>
        </params>
        <fetch url="https://git.fedorahosted.org/cgit/pki.git/snapshot/pki-master.tar.gz#pki-master/tests/dogtag"/>
    </task>
   </recipe>
  </recipeSet>
</job>

1. Start restraintd on remote server
2. Run restraint --remote http://dhcp207-176.lab.eng.pnq.redhat.com:8081 --job rhcs.xml
3. On Restraintd server , restraintd crashes:

[root@dhcp207-176 ~]# systemctl status restraintd
restraintd.service - The restraint harness.
   Loaded: loaded (/usr/lib/systemd/system/restraintd.service; enabled)
   Active: failed (Result: core-dump) since Tue 2014-09-30 18:36:02 EDT; 17s ago
  Process: 2193 ExecStart=/usr/bin/restraintd (code=dumped, signal=SEGV)
  Process: 2190 ExecStartPre=/usr/bin/check_beaker (code=exited, status=0/SUCCESS)
 Main PID: 2193 (code=dumped, signal=SEGV)```

```Sep 30 18:35:25 dhcp207-176.lab.eng.pnq.redhat.com restraintd[2193]: ** ERROR: (null)
Sep 30 18:35:25 dhcp207-176.lab.eng.pnq.redhat.com restraintd[2193]: ** Completed Task : 1
Sep 30 18:35:25 dhcp207-176.lab.eng.pnq.redhat.com restraintd[2193]: ** Message: Aborted task 1 due to error: (null)
Sep 30 18:35:25 dhcp207-176.lab.eng.pnq.redhat.com restraintd[2193]: * Finished recipe
Sep 30 18:36:02 dhcp207-176.lab.eng.pnq.redhat.com restraintd[2193]: * Fetching recipe: http://10.65.207.230:39851/recipes/3/
Sep 30 18:36:02 dhcp207-176.lab.eng.pnq.redhat.com restraintd[2193]: * Parsing recipe
Sep 30 18:36:02 dhcp207-176.lab.eng.pnq.redhat.com restraintd[2193]: * Running recipe
Sep 30 18:36:02 dhcp207-176.lab.eng.pnq.redhat.com restraintd[2193]: ** Fetching task: 1 [/mnt/tests/git.fedorahosted.org/cgit/pki.git/snapshot/pki-master.tar.gz/pki-master/tests/dogtag]
Sep 30 18:36:02 dhcp207-176.lab.eng.pnq.redhat.com systemd[1]: restraintd.service: main process exited, code=dumped, status=11/SEGV
Sep 30 18:36:02 dhcp207-176.lab.eng.pnq.redhat.com systemd[1]: Unit restraintd.service entered failed state.```